CN220922599U

CN220922599U - Notching machine

Info

Publication number: CN220922599U
Application number: CN202322461652.2U
Authority: CN
Inventors: 刘军; 于勇海
Original assignee: HUNAN JUNCHENG TECHNOLOGY CO LTD
Current assignee: HUNAN JUNCHENG TECHNOLOGY CO LTD
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-10
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a notching machine, comprising: a frame; the positioning piece is vertically arranged on the frame and is provided with a mounting position which is coaxial with the positioning piece and is provided with an opening at the upper side, and the positioning piece is used for embedding and positioning a workpiece; the driving device is arranged on the frame, the output end of the driving device is provided with a plurality of connecting seats which are uniformly distributed around the central axis circumference of the positioning piece, the driving device can drive all the connecting seats to move towards or away from the positioning piece at the same time, and a cutter is arranged at one end of each connecting seat towards the positioning piece and is used for cutting a workpiece embedded in the installation position when the connecting seats move towards the positioning piece. The automatic cutting machine can perform automatic cutting operation, and has high production efficiency and good product consistency.

Description

Notching machine

Technical Field

The utility model relates to the technical field of armor-piercing bullet processing and production, in particular to a slotting machine.

Background

In the production and manufacturing process of the armor-piercing projectile, the nylon ring on the armor-piercing projectile is required to be notched (radial notched), at present, a special cutter is usually used for manually notching the nylon ring to form notches with a certain depth according to the characteristics of products, but the mode of manual notching has lower processing efficiency and poorer product consistency, and after the production scale is enlarged, the mode of manual operation is obviously not applicable any more, so that a notching machine capable of improving the production efficiency and the product consistency for automatic notching is needed.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the slotting machine which can perform automatic slotting operation and has high production efficiency and good product consistency.

According to an embodiment of the present utility model, a notching machine includes:

A frame;

The positioning piece is vertically arranged on the rack and is provided with a mounting position which is coaxial with the positioning piece and is provided with an opening at the upper side, and the positioning piece is used for embedding and positioning a workpiece;

The driving device is arranged on the frame, a plurality of connecting seats uniformly distributed around the circumference of the central axis of the positioning piece are arranged at the output end of the driving device, the driving device can drive all the connecting seats to move towards or away from the positioning piece at the same time, and a cutter is arranged at one end of the connecting seat towards the positioning piece and used for cutting a workpiece embedded into the installation position when the connecting seat moves towards the positioning piece.

The notching machine provided by the embodiment of the utility model has at least the following beneficial effects:

Through the structure setting, when processing, can place the work piece in the installation position of setting element, fix a position by the installation position, all connecting seats of rethread drive are simultaneously towards the setting element activity to make the cutter on the connecting seat towards the setting element activity, thereby carry out automatic incision processing to the week wall of the work piece of setting element, degree of automation is high, and a plurality of incisions on the work piece can once go on simultaneously, consuming time is few, production efficiency is high, the work piece through automatic incision is for manual incision, the product uniformity is high.

According to some embodiments of the utility model, the driving device comprises an electric chuck coaxially arranged with the positioning member, the electric chuck having a plurality of jaws in one-to-one correspondence with the connection seats and adapted to mount the connection seats.

According to some embodiments of the utility model, the positioning element is provided with a plurality of feeding notches on the upper side edge of the mounting position, and the feeding notches are in one-to-one correspondence with the connecting seats and are used for allowing the cutters on the corresponding connecting seats to pass through.

According to some embodiments of the utility model, the connecting seat is provided with a tool rest capable of moving an adjusting position relative to the connecting seat towards or away from the positioning piece, and the cutter is arranged on the tool rest.

According to some embodiments of the utility model, a dipstick is placed on the stand, an annular dipstick groove is formed in the circumferential wall of the dipstick and is arranged around the central axis of the dipstick, the dipstick can be inserted into and supported by the mounting position and is transversely limited, and the annular dipstick groove is used for embedding and abutting against the cutter when the dipstick is inserted into the mounting position.

According to some embodiments of the present utility model, an end surface of the tool holder away from the positioning element is provided with a threaded hole extending horizontally toward the positioning element, the connecting seat is provided with a columnar structure capable of rotating around an axis thereof, the columnar structure is provided with external threads and is in threaded connection with the threaded hole, and movement adjustment of the tool holder relative to the connecting seat toward or away from the positioning element can be achieved by rotating the columnar structure.

According to some embodiments of the utility model, the upper end surface of the connecting seat is provided with a guide groove, and the tool holder is embedded in the guide groove and is in sliding fit with the guide groove so as to provide guidance for the movement of the tool holder relative to the connecting seat.

According to some embodiments of the utility model, the columnar structure is set as a positioning screw, a limit nut is connected to the positioning screw in a threaded manner, a mounting seat is arranged on the connecting seat, the positioning screw horizontally penetrates through the mounting seat, and the head of the positioning screw and the limit nut are respectively abutted against two opposite sides of the mounting seat.

According to some embodiments of the utility model, the cutter holder is detachably provided with two cutters, the two cutters are vertically spaced, the frame is provided with a lifting mechanism, and the positioning piece is connected to the output end of the lifting mechanism and can be driven by the lifting mechanism to lift.

According to some embodiments of the present utility model, two knife slots are vertically spaced on one side of the knife holder, two cutters are respectively embedded and installed in the two knife slots, the knife holder is detachably connected with a cover plate, and the cover plate abuts against the cutters embedded in the knife slots so as to fix the cutters in the knife slots.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of an embodiment of the present utility model;

FIG. 3 is an exploded view of the mounting structure of the connecting seat and the tool holder according to the embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a mounting bracket according to an embodiment of the present utility model;

Fig. 5 is a schematic cross-sectional view of a mounting frame at a positioning member according to an embodiment of the utility model.

Reference numerals:

The device comprises a frame 100, a test bar 110, an annular test groove 111, a lifting mechanism 120, a mounting frame 130 and a guide sleeve 131;

A positioning piece 200, a mounting position 201 and a feed gap 202;

The driving device 300, the connecting seat 310, the guide groove 311, the mounting seat 312, the mounting groove 313, the electric chuck 320, the clamping jaw 330, the tool apron 340, the threaded hole 341, the tool slot 342, the cover plate 343, the positioning screw 350, the limit nut 351, the speed reducer 360 and the motor 370;

a cutter 400.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 5, a slitting machine according to an embodiment of the present utility model includes: the device comprises a frame 100, a positioning piece 200 and a driving device 300.

The positioning piece 200 is vertically arranged on the frame 100, and the positioning piece 200 is provided with a mounting position 201 which is coaxial with the positioning piece and is provided with an opening at the upper side for embedding and positioning a workpiece; specifically, since the projectile (workpiece to be processed) of the armor-piercing bullet is a revolution body, the installation position 201 is set to have a circular cross section, and the installation position 201 is matched with the workpiece to be processed and is used for supporting and transversely positioning the workpiece.

The driving device 300 is arranged on the stand 100, the output end of the driving device 300 is provided with a plurality of connecting seats 310, the plurality of connecting seats 310 are uniformly distributed around the circumference of the central axis of the positioning piece 200, the driving device 300 can drive all the connecting seats 310 to move towards or away from the positioning piece 200 at the same time, one end of each connecting seat 310 towards the positioning piece 200 is provided with a cutter 400, each cutter 400 is used for carrying out incision operation on a workpiece embedded in the installation position 201 when the connecting seat 310 moves towards the positioning piece 200, in particular, the positioning piece 200 is provided with a revolving body, when the connecting seat 310 moves towards the positioning piece 200, the cutters 400 move along the radial direction of the positioning piece 200, so that incisions with a certain depth (along the radial direction of the workpiece) can be formed on the outer wall of the workpiece embedded in the installation position 201 through the cutters 400. It should be noted that the number of connection seats 310 is consistent with the number of cuts required for the workpiece to be processed.

According to the notching machine provided by the embodiment of the utility model, through the arrangement of the structure, during processing, a workpiece can be placed at the installation position 201 of the locating piece 200, the installation position 201 is used for locating, and then the driving device 300 drives all the connecting seats 310 to move towards the locating piece 200 at the same time, so that the cutters 400 on the connecting seats 310 move towards the locating piece 200, thereby carrying out automatic notching on the peripheral wall of the workpiece placed on the locating piece 200, the degree of automation is high, a plurality of notches on the workpiece can be simultaneously carried out at one time, the time consumption is less, the production efficiency is high, and the consistency of products is high compared with that of manual notches on the workpiece subjected to automatic notching.

Referring to fig. 1 and 2, it can be understood that the driving device 300 includes an electric chuck 320, the electric chuck 320 is coaxially disposed with the positioning member 200, the top end of the electric chuck 320 has a plurality of claws 330, the claws 330 are in one-to-one correspondence with the connecting seats 310 and are used for installing the connecting seats 310, in this embodiment, the electric chuck 320 is a three-jaw chuck, that is, three claws 330 are provided, the connecting seats 310 are respectively installed on the three claws 330, the electric chuck 320 is connected with a speed reducer 360, the speed reducer 360 is connected with a motor 370, a transmission assembly connected with the claws 330 is disposed in the electric chuck 320, the rotation motion of the output shaft of the motor 370 can be converted into the linear motion of the claws 330 through the transmission assembly in the electric chuck 320, and the multiple connecting seats 310 can move towards or away from the central axis of the electric chuck 320 simultaneously, that is, move towards or away from the positioning member 200 simultaneously by using the electric chuck 320; since the combination of the electric chuck 320 and the jaw 330 is a very common structure in the prior art, such as is often used for clamping a workpiece in a lathe, the structure of the electric chuck 320 and the jaw 330 is not modified in this embodiment, and thus the specific structure and working principle of the electric chuck 320 and the jaw 330 are not described in detail herein.

Referring to fig. 2 and 4, it is understood that the positioning member 200 is provided with a plurality of cutting feed notches 202 on the upper side edge of the mounting position 201, the cutting feed notches 202 are in one-to-one correspondence with the connecting seats 310, and are used for allowing the cutting knife 400 on the corresponding connecting seat 310 to pass through, it is understood that the cutting feed notches 202 are corresponding to the height of the position where the workpiece is required to be cut after being placed in the mounting position 201, when the cutting operation is performed, the cutting knife 400 moves towards the positioning member 200, then passes through the cutting feed notches 202 and moves inwards for a certain distance, so that a cut with a certain depth is formed on the peripheral wall of the workpiece, in this process, the positioning member 200 can play a certain wrapping and limiting role on the position where the workpiece is to be cut, so as to prevent the workpiece from being opened from the cut position to generate tearing, the cutting effect is better, and the workpiece damage rate is lower.

Referring to fig. 2 and 3, it may be understood that each connecting seat 310 is provided with a tool holder 340 capable of moving an adjusting position relative to the connecting seat 310 toward or away from the positioning member 200, and the cutter 400 is disposed on the tool holder 340.

Referring to fig. 1 and 2, in a further embodiment, a rod 110 is placed on a rack 100, the rod 110 is configured as a revolving body, an annular detecting groove 111 is formed on a peripheral wall of the rod 110 and is disposed around a central axis of the rod, the rod 110 can be inserted into a mounting position 201 and matched with the shape and size of the rod, the rod 110 is supported and transversely limited by the rod 201 after being inserted into the mounting position 201, the annular detecting groove 111 is used for embedding and propping against the cutters 400 when the rod 110 is inserted into the mounting position 201, specifically, when the consistency of the incision depth of each cutter 400 is adjusted, the rod 110 is inserted into the mounting position 201, and only each cutter 400 needs to be embedded into and propped against the annular detecting groove 111, so that the distance between each cutter 400 and the central axis of a positioning piece 200 is kept consistent, thereby ensuring consistency of the incision depth of the subsequent cutters 400, providing a judging reference for whether each cutter 400 keeps consistent, and being more visual and accurate with small error relative to naked eyes.

Referring to fig. 2 and 3, it can be understood that the end surface of the tool apron 340 away from the positioning member 200 is provided with a threaded hole 341 extending horizontally toward the positioning member 200, a cylindrical structure capable of rotating around its axis is disposed on one side of the connecting seat 310, away from the positioning member 200, on the connecting seat 310, specifically, the axial position of the cylindrical structure relative to the connecting seat 310 is fixed, the central axis of the cylindrical structure is the same as the extending direction of the threaded hole 341, the cylindrical structure is provided with external threads and is in threaded connection with the threaded hole 341, the length of the cylindrical structure matched with the threaded hole 341 can be adjusted by rotating the cylindrical structure, so that the tool apron 340 is driven to move toward or away from the positioning member 200 relative to the connecting seat 310, and after the cylindrical structure stops rotating, the position of the tool apron 340 is fixed, so that the tool apron 340 is adjusted toward or away from the positioning member 200 relative to the connecting seat 310. It will be appreciated that the lower end surface of the tool holder 340 abuts against the upper end surface of the connecting seat 310 to prevent the tool holder 340 from rotating together when the columnar structure is rotated.

Referring to fig. 2 and 3, it can be understood that the upper end surface of the connecting seat 310 is provided with a guide groove 311, the length direction of the guide groove 311 is the same as the extending direction of the threaded hole 341, and the tool holder 340 is embedded into the guide groove 311 and slidably matched with the guide groove 311, so as to provide guidance for the movement of the tool holder 340 relative to the connecting seat 310, and prevent the occurrence of a sliding wire phenomenon caused by torsion dislocation between the columnar structure and the tool holder 340.

Referring to fig. 2 and 3, it can be understood that the columnar structure is set as a positioning screw 350, a limit nut 351 is screwed on the positioning screw 350, a mounting seat 312 is provided on the connecting seat 310, the positioning screw 350 horizontally penetrates through the mounting seat 312, and the head of the positioning screw 350 and the limit nut 351 respectively abut against opposite sides of the mounting seat 312, so that the axial position of the positioning screw 350 relative to the connecting seat 310 can be fixed, and when the positioning screw 350 is rotated, the tool apron 340 can be driven to move relative to the connecting seat 310, so that the structure is simple and practical.

In some specific embodiments, the mounting seat 312 is provided with the mounting groove 313 with an open upper end, the positioning screw 350 is horizontally inserted into the mounting groove 313, so that the positioning screw 350 is inserted through the mounting groove 313 with an open upper end, instead of arranging the bolt hole on the mounting seat 312 to insert the positioning screw 350, the disassembly of the tool holder 340 can be facilitated, when the tool holder 340 needs to be disassembled, the tool holder 340 only needs to be lifted upwards relative to the connecting seat 310, the positioning screw 350 is separated from the mounting groove 313, if the friction force between the limiting nut 351 and the mounting seat 312 is large, and when the positioning screw 350 is difficult to be separated from the mounting groove 313 upwards, the limiting nut 351 is only slightly unscrewed, the tool holder 340 can be disassembled, the positioning screw 350 does not need to be unscrewed from the tool holder 340, and the disassembly of the tool holder 340 is more convenient.

Referring to fig. 2 to 4, it may be understood that two cutters 400 are detachably provided on the cutter holder 340, the two cutters 400 are vertically spaced and arranged, the lifting mechanism 120 is provided on the frame 100, the positioning member 200 is connected to the output end of the lifting mechanism 120, and can lift under the driving of the lifting mechanism 120, it may be understood that when the cutters 400 are used for a long time, damage occurs to the cutters 400, the quality of the cuts may be greatly reduced, the cutters 400 need to be replaced by the lifting mechanism 120, the operator needs to stop the machine, then the operator needs to replace the new cutters 400, the replacement also needs to be performed, and a great deal of time is wasted, and the production progress is delayed. It will be appreciated that in order to avoid the upper cutter 400 from touching the workpiece when the lower cutter 400 is used for the slitting operation, the lower cutter 400 protrudes toward the positioning member 200 from the upper cutter 400.

In some specific embodiments, referring to fig. 1, 4 and 5, a mounting frame 130 is provided on the frame 100, the lifting mechanism 120 is configured as a cylinder and is fixed on the mounting frame 130, the output shaft of the cylinder is connected with a connecting piece, the connecting piece is connected with the positioning piece 200, so that the positioning piece 200 is lifted by using the cylinder, a guide sleeve 131 is fixed on the mounting frame 130, and the positioning piece 200 is slidably inserted into the inner side of the guide sleeve 131, so that the lifting of the positioning piece 200 is smoother.

Referring to fig. 2 and 3, it can be understood that two knife slots 342 are vertically spaced on one side of the knife holder 340, two knives 400 are respectively embedded in the two knife slots 342, the knife holder 340 is detachably connected with a cover plate 343, the cover plate 343 abuts against the knives 400 embedded in the knife slots 342 to fix the knives 400 in the knife slots 342, and in particular, the cover plate 343 is connected with the knife holder 340 by screws, so that the structure is simple and the disassembly and the assembly are convenient.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A slitting machine, comprising:

A frame (100);

The positioning piece (200) is vertically arranged on the frame (100), and the positioning piece (200) is provided with a mounting position (201) which is coaxial with the positioning piece and is provided with an opening at the upper side, and is used for embedding and positioning a workpiece;

The driving device (300) is arranged on the frame (100), a plurality of connecting seats (310) which are evenly distributed around the circumference of the central axis of the positioning piece (200) are arranged at the output end of the driving device (300), the driving device (300) can drive all the connecting seats (310) to move towards or away from the positioning piece (200) simultaneously, a cutter (400) is arranged at one end of the connecting seats (310) towards the positioning piece (200) and is used for cutting workpieces embedded into the mounting position (201) when the connecting seats (310) move towards the positioning piece (200).

2. The slitting machine of claim 1, wherein: the driving device (300) comprises an electric chuck (320), the electric chuck (320) and the positioning piece (200) are coaxially arranged, the electric chuck (320) is provided with a plurality of clamping jaws (330), and the clamping jaws (330) are in one-to-one correspondence with the connecting seats (310) and are used for installing the connecting seats (310).

3. The slitting machine of claim 1, wherein: the locating piece (200) is provided with a plurality of feed gaps (202) on the upper side edge of the installation position (201), and the feed gaps (202) are in one-to-one correspondence with the connecting seats (310) and are used for allowing the corresponding cutters (400) on the connecting seats (310) to pass through.

4. The slitting machine of claim 1, wherein: the connecting seat (310) is provided with a cutter seat (340) capable of moving an adjusting position relative to the connecting seat (310) towards or away from the positioning piece (200), and the cutter (400) is arranged on the cutter seat (340).

5. The slitting machine of claim 4, wherein: the machine frame (100) is provided with a checking rod (110), an annular checking groove (111) which is arranged around the central axis of the checking rod (110) is formed in the peripheral wall of the checking rod (110), the checking rod (110) can be inserted into the mounting position (201) and supported and transversely limited by the mounting position, and the annular checking groove (111) is used for being embedded and abutted by the cutter (400) when the checking rod (110) is inserted into the mounting position (201).

6. The slitting machine of claim 4, wherein: the tool apron (340) is kept away from the terminal surface of setting element (200) is equipped with the level orientation screw hole (341) that setting element (200) extended, be equipped with on connecting seat (310) and can rotate around self axis columnar structure, columnar structure be equipped with the external screw thread and with screw hole (341) threaded connection can realize through rotating columnar structure tool apron (340) for connecting seat (310) orientation or deviate from the removal regulation of setting element (200).

7. The slitting machine of claim 6, wherein: the upper end face of the connecting seat (310) is provided with a guide groove (311), and the tool apron (340) is embedded into the guide groove (311) and is in sliding fit with the guide groove, so that the tool apron (340) can provide guide for the movement of the connecting seat (310).

8. The slitting machine of claim 6, wherein: the columnar structure is set as a positioning screw (350), a limit nut (351) is connected to the positioning screw (350) in a threaded mode, an installation seat (312) is arranged on the connecting seat (310), the positioning screw (350) horizontally penetrates through the installation seat (312), and the head of the positioning screw (350) and the limit nut (351) are respectively abutted to two opposite sides of the installation seat (312).

9. The slitting machine of claim 4, wherein: the cutter holder (340) can be detachably provided with two cutters (400), two cutters (400) are vertically arranged at intervals, the frame (100) is provided with a lifting mechanism (120), and the positioning piece (200) is connected to the output end of the lifting mechanism (120) and can lift under the driving of the lifting mechanism (120).

10. The slitting machine of claim 9, wherein: the vertical interval in blade holder (340) one side is equipped with two tool slots (342), two cutter (400) respectively imbeds and installs in two tool slots (342), blade holder (340) can dismantle and be connected with apron (343), apron (343) butt embedding cutter (400) in tool slots (342), so as to with cutter (400) are fixed in tool slots (342).